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Jul 3rd, 2009
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Problem: Flicking with Double Buffering on transparent control

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Hi all,
I'm C# newbie, and I having problem with double buffering on transparent control - flicking when draw drag rectangle (see attached file). Can anyone help me?
Thanks & rgds,
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Jul 4th, 2009
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Re: Problem: Flicking with Double Buffering on transparent control

Welcome tuanpq,

Did you read this article? http://www.codeproject.com/KB/GDI-pl...eeDrawing.aspx
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Re: Problem: Flicking with Double Buffering on transparent control

Click to Expand / Collapse  Quote originally posted by adatapost ...
Welcome tuanpq,

Did you read this article? http://www.codeproject.com/KB/GDI-pl...eeDrawing.aspx
I applied this technique into my program but it doesn't improve. Can you applied this technique into my program?
Last edited by tuanpq; Jul 4th, 2009 at 6:55 am.
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Re: Problem: Flicking with Double Buffering on transparent control

Click to Expand / Collapse  Quote originally posted by tuanpq ...
I applied this technique into my program but it doesn't improve. Can you applied this technique into my program?
I have changed - a paint event code
Last edited by adatapost; Dec 15th, 2010 at 3:07 am.
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Jul 5th, 2009
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Re: Problem: Flicking with Double Buffering on transparent control

Thanks for helping. I've tried your's modified code, but why transparent layer became black? I've review source code and discover that transparent layer's DoubleBuffered propperty is set to true. Is that reason?
Last edited by tuanpq; Jul 5th, 2009 at 10:22 am.
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This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.
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